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Priority claimed from US50194Aexternal-prioritypatent/US3147329A/en
Application filed by Union Carbide CorpfiledCriticalUnion Carbide Corp
Publication of FI48653BpublicationCriticalpatent/FI48653B/fi
Application grantedgrantedCritical
Publication of FI48653CpublicationCriticalpatent/FI48653C/fi